diff --git a/README.asciidoc b/README.asciidoc
index 48f88cae..4c449876 100644
--- a/README.asciidoc
+++ b/README.asciidoc
@@ -920,6 +920,7 @@ There are some builtins faces used by internal Kakoune functionalities:
  * `Prompt`: face used prompt displayed on the status line
  * `MatchingChar`: face used by the show_matching highlighter
  * `Search`: face used to highlight search results
+ * `BufferPadding`: face applied on the characters that follow the last line of a buffer
 
 Advanced topics
 ---------------
diff --git a/doc/manpages/faces.asciidoc b/doc/manpages/faces.asciidoc
index 483200bc..f91f548a 100644
--- a/doc/manpages/faces.asciidoc
+++ b/doc/manpages/faces.asciidoc
@@ -94,3 +94,6 @@ areas of the user interface:
 
 *Search*::
 	face used to highlight search results
+
+*BufferPadding*::
+	face applied on the characters that follow the last line of a buffer